1package moxio

2

3import (

4 "crypto/tls"

5 "fmt"

6)

7

8// TLSInfo returns human-readable strings about the TLS connection, for use in

9// logging.

10func TLSInfo(conn *tls.Conn) (version, ciphersuite string) {

11 st := conn.ConnectionState()

12

13 versions := map[uint16]string{

14 tls.VersionTLS10: "TLS1.0",

15 tls.VersionTLS11: "TLS1.1",

16 tls.VersionTLS12: "TLS1.2",

17 tls.VersionTLS13: "TLS1.3",

18 }

19

20 v, ok := versions[st.Version]

21 if ok {

22 version = v

23 } else {

24 version = fmt.Sprintf("TLS %x", st.Version)

25 }

26

27 ciphersuite = tls.CipherSuiteName(st.CipherSuite)

28 return

29}

30